CoreLocation

import UIKit
import CoreLocation

class ViewController: UIViewController,CLLocationManagerDelegate {
    var manager:CLLocationManager!

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
        manager=CLLocationManager()
        manager.delegate=self
        manager.desiredAccuracy = kCLLocationAccuracyBest//use GPS locaion
        manager.requestWhenInUseAuthorization()
        manager.startUpdatingLocation()
    }
    func locationManager(manager: CLLocationManager!, didUpdateLocations locations: [AnyObject]!) {
       println(locations)
    }